Question

mean of 2,7,6 and X is 5. find the value of x​

Answer 1

..2+7+6+x/4=5

..15+x=20

..x=5

Hope it helps...

Answer 2

$\boxed{\boxed{\underline{\huge{\bold{\green{\mathfrak{Answer}}}}}}}$

mean=sum of observation/number of observations

$\huge{\bold{\mathcal{\purple{2+7+6+x/4=5}}}}$

$\huge{\bold{\mathcal{\purple{15+x/4=5}}}}$

$\huge{\bold{\mathcal{\purple{15+x=20}}}}$

$\boxed{\boxed{\underline{\huge{\bold{\green{\mathfrak{X=5}}}}}}}$